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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

• LG CHEM, LTD.

International Classification(s)

• C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
• C07F:ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CO....
• H01M:PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT....
• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS
• B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Jeong, Seungpyo	Daejeon, KR	4	26
Kim, Youngjea	Daejeon, KR	19	33
Lee, Jong-Chan	Daejeon, KR	57	282
Shin, Chong Kyu	Daejeon, KR	40	117
Yoo, Joungeun	Daejeon, KR	21	12

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Apr 10, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Apr 10, 2029

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
October 10, 2017	US,9782767,B2   US9782767B2	GRANTED PATENT AS SECOND PUBLICATION
November 19, 2015	US,20150328630,A1   US20150328630A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9782767

Sulfonate-based compound and polymer electrolyte membrane using same

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